OpenTechnical

OT-2026-000042225

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000042225) never changes.

Identity and time

Publication numberOT-2026-000042225 · never reused
Internal UUID01a0ae7a-5d72-7ad7-a531-08159002b66f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042225
StatusPUBLIC

Content hashes

Canonical textee366698a8acfa504b5ef37aa6b9b197ffe5696f97e5d8857a69cec5ee363972
Markdowna2a79332d035cf909ebb73ae9514fb16fd298c6bb32c234d06027f4ce1384ea1
PDF
Publication page82a64d561cfbff5da164d1d078963701ba235a98a68276fed300c18f5a162fc0
Manifestaecd31f68be94890c75f6940ab82a370ab9a495cb46598ef22cadcd51fb88b27

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWFvAGL9jm/8heMIQ3NEajGZfPg8Zmc4asK3ccqRQnk8QdUHjwUR4Cpre6H2cUCJbhISwCTZTJMKmJC70yEfmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:54.021796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042225
observed 82a64d561cfbff5da164d1d078963701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.001268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042225/manifest.json
observed aecd31f68be94890c75f6940ab82a370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.980770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042225/publication.md
observed a2a79332d035cf909ebb73ae9514fb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.940965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042225/publication.txt
observed ee366698a8acfa504b5ef37aa6b9b197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.